Completed
Pull Request — master (#42)
by Jose Manuel
01:40
created

ResponseBuilder::__construct()   A

Complexity

Conditions 1
Paths 1

Size

Total Lines 4

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 3
CRAP Score 1

Importance

Changes 0
Metric Value
dl 0
loc 4
ccs 3
cts 3
cp 1
rs 10
c 0
b 0
f 0
cc 1
nc 1
nop 1
crap 1
1
<?php
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namespace Softonic\GraphQL;
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use Psr\Http\Message\ResponseInterface;
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class ResponseBuilder
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{
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    private $dataObjectBuilder;
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    public function __construct(DataObjectBuilder $dataObjectBuilder = null)
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    {
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        $this->dataObjectBuilder = $dataObjectBuilder;
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    }
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    public function build(ResponseInterface $httpResponse)
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    {
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        $body = $httpResponse->getBody();
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        $normalizedResponse = $this->getNormalizedResponse($body);
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        $dataObject = array_key_exists('dataObject', $normalizedResponse)
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            ? $normalizedResponse['dataObject']
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            : [];
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        return new Response(
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            $normalizedResponse['data'],
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            $normalizedResponse['errors'],
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            $dataObject
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        );
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    }
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    private function getNormalizedResponse(string $body)
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    {
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        $decodedResponse = $this->getJsonDecodedResponse($body);
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        if (false === array_key_exists('data', $decodedResponse) && empty($decodedResponse['errors'])) {
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            throw new \UnexpectedValueException(
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                'Invalid GraphQL JSON response. Response body: ' . json_encode($decodedResponse)
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            );
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        }
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        $result = [
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            'data'   => $decodedResponse['data'] ?? [],
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            'errors' => $decodedResponse['errors'] ?? [],
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        ];
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        if (!is_null($this->dataObjectBuilder)) {
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            $result['dataObject'] = $this->dataObjectBuilder->buildQuery($decodedResponse['data'] ?? []);
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        }
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        return $result;
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    }
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    private function getJsonDecodedResponse(string $body)
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    {
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        $response = json_decode($body, true);
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        $error = json_last_error();
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        if (JSON_ERROR_NONE !== $error) {
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            throw new \UnexpectedValueException(
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                'Invalid JSON response. Response body: ' . $body
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            );
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        }
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        return $response;
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    }
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}
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